#region License

/*
 * Copyright 2002-2010 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#endregion

using System;
using Spring.Objects.Factory;
using Spring.Util;
using TIBCO.EMS;

namespace Spring.Messaging.Ems.Jndi
{
    public abstract class JndiLocatorSupport : JndiAccessor
    {       


        protected virtual object Lookup(string jndiName)
        {
            object jndiObject = Lookup(jndiName, null);
            if (logger.IsDebugEnabled)
            {
                logger.Debug("Located object with JNDI name [" + jndiName + "]");
            }
            return jndiObject;
        }

        protected virtual object Lookup(string jndiName, Type requiredType)
        {
            AssertUtils.ArgumentNotNull(jndiName, "jndiName");

            object jndiObject =  JndiLookupContext.Lookup(jndiName);
            

            if (requiredType != null && !ObjectUtils.IsAssignable(requiredType, jndiObject))
            {
                throw new TypeMismatchNamingException(
                    jndiName, requiredType, (jndiObject != null ? jndiObject.GetType() : null));
            }

            if (logger.IsDebugEnabled)
            {
                logger.Debug("Located object with JNDI name [" + jndiName + "]");
            }
            return jndiObject;
        }


    }
}